Dr Hulda Regehr Clark (1928-2009) PhD (University of Minnesota 1958 – biophysics and physiology) was a Canadian biophysicist and cellular physicist with a Master’s Degree (University of Saskatchewan 1949) in electrical engineering, she was not a medical doctor (MD). Her PhD dissertation addressed the electrolyte balance of living cells. She undertook research into the electrophysiology of muscle and nerve cells at Indiana University from 1966 to 1976 where she made the discovery that x-rays cause mutations and this was published in Nature. While at Indiana providing private nutritional consulting, she noticed that all cancer patients had certain similarities, including a particular parasite. She began testing all patients for the presence of certain parasites and toxic elements and confirmed her earlier observation.
Here are 3 of the books that Dr Hulda Clark wrote. You can download them for free.
The Cure For All Advanced Cancers
These works contain case studies which aid to understanding of her diagnoses. They are well worth reading.